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Pub. No.:    WO/2018/164714    International Application No.:    PCT/US2017/052418
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Thu Sep 21 01:59:59 CEST 2017
IPC: G06F 17/30
Applicants: GOOGLE LLC
Inventors: COHEN, Joseph
LEWIS, Justin
An example method includes receiving, from an application of a client device, a request, generated based on originating content provided by an originating web server, for target content associated with a target web server. The method also includes identifying a referrer tag in the request that identifies an originating web server associated with the originating web server device or an attribution tag in the request that identifies a trigger event that caused the attribution tag to be included within the originating content. The method additionally includes determining that the referrer tag or the attribution tag is in a set of predefined tags that classifies the originating web service as a notification-like source and, in response, transmitting instructions to the application. Reception of the instructions causes the client device to display a prompt requesting permission to provide notifications from a target web service associated with the target web server device.